:root {
  /* ===== BASE ===== */
  --bg: #050814;
  --bg-elev: #0a1124;

  /* ===== SURFACES ===== */
  --card: rgba(12, 18, 38, 0.88);
  --card-soft: rgba(12, 18, 38, 0.6);

  /* ===== TEXT ===== */
  --text: #e6eeff;
  --text-muted: #8fa6cc;

  /* ===== ACCENTS ===== */
  --accent: #00d4ff; /* cyan principal */
  --accent-soft: rgba(0, 212, 255, 0.15);

  /* ===== AMBIENT COLOR ===== */
  --ambient: #7b5cff; /* roxo ambiente */

  /* ===== LINES ===== */
  --line: rgba(0, 212, 255, 0.22);

  /* ===== SEMANTIC ===== */
  --danger: #ff5a70;

  /* ===== GLOW ===== */
  --glow-cyan: rgba(0, 212, 255, 0.6);
  --glow-purple: rgba(123, 92, 255, 0.5);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: 'Segoe UI', 'Inter', system-ui, sans-serif;
  background-color: var(--bg);
  line-height: 1.5;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== BACKGROUND AMBIENT ===== */

.nebula {
  position: fixed;
  inset: -15% -10%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.8;

  background-image:
    radial-gradient(
      ellipse 60% 40% at 18% 18%,
      rgba(123, 92, 255, 0.15),
      transparent 60%
    ),
    radial-gradient(
      ellipse 50% 60% at 80% 30%,
      rgba(0, 212, 255, 0.12),
      transparent 60%
    ),
    radial-gradient(
      ellipse 70% 60% at 60% 85%,
      rgba(123, 92, 255, 0.12),
      transparent 62%
    );
}

.stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-repeat: repeat;
  background-size: 320px 200px;
  opacity: 0.6;

  background-image:
    radial-gradient(
      2px 2px at 20px 30px,
      rgba(255, 255, 255, 0.5),
      transparent
    ),
    radial-gradient(
      2px 2px at 40px 70px,
      rgba(255, 255, 255, 0.4),
      transparent
    ),
    radial-gradient(
      1px 1px at 90px 40px,
      rgba(255, 255, 255, 0.25),
      transparent
    ),
    radial-gradient(
      2px 2px at 130px 80px,
      rgba(255, 255, 255, 0.35),
      transparent
    ),
    radial-gradient(
      1px 1px at 160px 120px,
      rgba(255, 255, 255, 0.6),
      transparent
    ),
    radial-gradient(
      2px 2px at 200px 60px,
      rgba(255, 255, 255, 0.25),
      transparent
    ),
    radial-gradient(
      1px 1px at 250px 150px,
      rgba(255, 255, 255, 0.2),
      transparent
    ),
    radial-gradient(
      2px 2px at 300px 40px,
      rgba(255, 255, 255, 0.3),
      transparent
    );
}

.panel {
  position: relative;
  z-index: 2;
  width: min(860px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2rem;
  box-shadow:
    0 18px 45px rgba(0, 0, 0, 0.45),
    0 0 60px rgba(123, 92, 255, 0.08);
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
}

h1 {
  margin: 1.5rem 0;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.1;
}

p {
  color: var(--text-muted);
  margin: 0.5rem 0;
}

.stat {
  margin: 1.5rem 0 1rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--accent-soft);
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.stat-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.grid {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.card {
  border: 1px solid rgba(143, 166, 204, 0.2);
  border-radius: 12px;
  padding: 0.9rem;
  background: var(--card-soft);
}

.card b {
  color: var(--text);
}

code {
  color: var(--text);
  background: rgba(143, 166, 204, 0.14);
  padding: 0.12rem 0.35rem;
  border-radius: 5px;
}

.dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
  margin-right: 1rem;
  background: var(--danger);
  box-shadow: 0 0 10px rgba(255, 90, 112, 0.8);
}